Ch. 13: Evolution and Diversity Among the Microbes

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very small, simple organisms, but they do everything that larger, multicellular organisms do. include viruses.

bacteria

efficient single-celled organisms, with an envelope surrounding the cytoplasm, which contains the DNA.

yes

do bacteria contain DNA?

chemoorganotrophs

chemical organic feeders that consume carbs

chemolithotrophs

chemic inorganic feeds that consume rocks, sulfide, etc.

pathogenic bacteria

disease causing bacteria.

archea

these thrive in habitats too extreme for most other organisms

animal like, fungi like, plant like

types of protists

virus

not alive: lack metabolic system, unable to reproduce it takes over the protein making machinery of the host cell to produce more viral genetic material (DNA or RNA). nothing can fight them (no medication).